diff --git a/reactos/dll/win32/msisip/main.c b/reactos/dll/win32/msisip/main.c
index a7180d10737..421e9ab1c4e 100644
--- a/reactos/dll/win32/msisip/main.c
+++ b/reactos/dll/win32/msisip/main.c
@@ -85,6 +85,7 @@ HRESULT WINAPI DllRegisterServer(void)
     prov.pwszVerifyFuncName = verifyIndirectData;
     prov.pwszRemoveFuncName = removeSignedDataMsg;
     prov.pwszIsFunctionNameFmt2 = isMyTypeOfFile;
+    prov.pwszGetCapFuncName = NULL;
     return CryptSIPAddProvider(&prov) ? S_OK : S_FALSE;
 }
 
diff --git a/reactos/media/doc/README.WINE b/reactos/media/doc/README.WINE
index 4c5800c57b3..ecb8429e256 100644
--- a/reactos/media/doc/README.WINE
+++ b/reactos/media/doc/README.WINE
@@ -126,7 +126,7 @@ reactos/dll/win32/mshtml.tlb          # Synced to Wine-1.7.17
 reactos/dll/win32/msi                 # Synced to Wine-1.7.27
 reactos/dll/win32/msimg32             # Synced to Wine-1.7.27
 reactos/dll/win32/msimtf              # Synced to Wine-1.7.17
-reactos/dll/win32/msisip              # Synced to Wine-1.7.17
+reactos/dll/win32/msisip              # Synced to Wine-1.7.27
 reactos/dll/win32/msisys.ocx          # Synced to Wine-1.7.17
 reactos/dll/win32/msnet32             # Synced to Wine-1.7.17
 reactos/dll/win32/mspatcha            # Synced to Wine-1.7.27